Collinsville, OH Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Collinsville, OH in one place.
Sunny, with a high near 59. West wind around 13 mph.
Local Weather Overview
This forecast page for Collinsville, OH is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Nov 8, 2026 5:11 PM EST.
The active forecast window currently covers Nov 8 to Nov 14, 2026 for Collinsville, OH.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 8 to Nov 14, 2026
- Latest sync
- Nov 8, 2026 5:11 PM EST
- Forecast office
- ILN
- Source
- NOAA / NWS
Daily Outlook
This Week in Collinsville
Tuesday looks like the warmest upcoming period in Collinsville at 66 degrees F.
Friday Night is the coolest period ahead with temperatures near 27 degrees F.
The strongest winds are forecast for Thursday at about 13 to 17 mph N.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Nov 8, 2026 5:11 PM EST
- Coverage
- 7 days
- Time zone
- America/New_York
- Forecast office
- ILN
- Radar station
- KILN
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Areas of frost after 2am. Mostly clear, with a low around 35. West wind 3 to 10 mph.
Widespread frost before 7am. Sunny, with a high near 62. Northwest wind around 5 mph.
Mostly clear, with a low around 36. Southwest wind around 3 mph.
Sunny, with a high near 66. West wind 3 to 8 mph.
Mostly clear, with a low around 38.
A slight chance of rain after 1pm. Partly sunny, with a high near 64.
Rain. Mostly cloudy, with a low around 41. Chance of precipitation is 80%.
Rain likely. Mostly cloudy, with a high near 50. Chance of precipitation is 60%.
Rain likely before 1am. Mostly cloudy, with a low around 31. Chance of precipitation is 60%.
Partly sunny, with a high near 43.
Mostly cloudy, with a low around 27.
Mostly sunny, with a high near 46.
Partly cloudy, with a low around 29.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Nov 8
|
Sunny
|
59°F |
13 mph
W
|
|
Tonight
Nov 8
|
Mostly Clear then Areas Of Frost
|
35°F |
3 to 10 mph
W
|
|
Monday
Nov 9
|
Widespread Frost then Sunny
|
62°F |
5 mph
NW
|
|
Monday Night
Nov 9
|
Mostly Clear
|
36°F |
3 mph
SW
|
|
Tuesday
Nov 10
|
Sunny
|
66°F |
3 to 8 mph
W
|
|
Tuesday Night
Nov 10
|
Mostly Clear
|
38°F |
0 to 3 mph
NW
|
|
Veterans Day
Nov 11
|
Partly Sunny then Slight Chance Light Rain
|
64°F |
0 to 5 mph
W
|
|
Wednesday Night
Nov 11
|
Light Rain
|
41°F |
3 to 12 mph
SW
|
|
Thursday
Nov 12
|
Light Rain Likely
|
50°F |
13 to 17 mph
N
|
|
Thursday Night
Nov 12
|
Light Rain Likely
|
31°F |
12 to 17 mph
N
|
|
Friday
Nov 13
|
Partly Sunny
|
43°F |
16 mph
NW
|
|
Friday Night
Nov 13
|
Mostly Cloudy
|
27°F |
5 to 13 mph
NW
|
|
Saturday
Nov 14
|
Mostly Sunny
|
46°F |
6 to 10 mph
NW
|
|
Saturday Night
Nov 14
|
Partly Cloudy
|
29°F |
2 to 6 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Collinsville.